*{
  margin: 0;
  padding: 0;
}
.kkk{
  margin: 3px;
  height: 10vh;
  display: grid;
  grid-template-columns: repeat(4,1fr);
  border: 1px solid #ccc;
  justify-items: center;
}
.aaa{
  margin: 5px;
  height: 20vh;
  display: grid;
  grid-template-columns: repeat(2,1fr);
  border: 1px solid #ccc;
  justify-items: center;
}